An administrator sees the following error in the log files: _答案

【多选题】

An administrator sees the following error in the log files: Which two events could be the source of the error message? (Choose two.)___

A. vCenter Server failure

B. VXLAN failure

C. Disk array failure

D. Network failure

E. ESXi host failure

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【多选题】

An administrator is attempting to access an ESXi host via the DCUI but is unable to do so. Which could be two possible causes? (Choose two.)___

A. The host in Qhas no out-of-band management capability (i.e. iLO/iDRAC).

B. The SSH service is disabled on the host.

C. Strict lockdown mode is enabled on the host.

D. Normal lockdown mode is enabled and the administrator is a member of the

E. xception User list.

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【多选题】

Which two permissions are required to migrate a virtual machine with Storage vMotion? (Choose two.)___

A. Network > Move Network

B. Virtual Machine > Inventory > Move

C. Resource > Migrate powered on virtual machine

D. Datastore > Allocate Space

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【多选题】

Which are three supported storage requirements for vCenter Server HA? (Choose three.)___

A. NFS

B. RDM

C. vSAN

D. VMFS

E. JBOD

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【多选题】

Which are the two network requirements for a VMware vSAN 6.5 cluster? (Choose two.)___

A. Multicast must be enabled on the physical switches and routers that handle vSAN traffic.

B. vSAN requires IPv6 only.

C. All hosts must have a dedicated 40GbE NIC.

D. The vSAN network supported IPv4 or IPv6.

E. vSAN requires IPv4 only.

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【多选题】

Which three prerequisites must be in place prior to enabling secure boot for a virtual machine? (Choose three.)___

A. VirtualMachine.Config.Settings privileges

B. an encrypted USB drive

C. Virtual Hardware version 13 or later

D. Virtual Hardware version 12 or later

E. EFI firmware

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【多选题】

A user is given the "Virtual machine user (sample)" role in a vSphere 6.x environment. Which three permissions would the user be able to perform? (Choose three.)___

A. Reset a virtual machine.

B. Power on a virtual machine.

C. Move a host into a cluster.

D. Configure CD media.

E. Migrate a virtual machine with Storage vMotion.

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【多选题】

Which three are supported upgrade processes for ESXi host? (Choose three.)___

A. using vSphere Auto Deploy

B. using a TFTP server

C. using Update Manager

D. using an

E. SXCLI command

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【多选题】

When enabling Storage DRS on a datastore cluster, which three components are enabled as a result? (Choose three.)___

A. Space load balancing among datastore within the datastore cluster.

B. Initial placement for virtual disks based on space and I/O workload.

C. I/O load balancing among datastores within the datastore cluster.

D. Queue Depth alerting on disks within the datastore cluster.

E. Data de-duplication within the datastore cluster.

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What are two features introduced in Network I/O Control version 3? (Choose two.)___

A. Bandwidth reservation per traffic type

B. Network resource pools

C. CoS tagging

D. Bandwidth guarantee to virtual machines

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【多选题】

Which two correct virtual machine advanced configuration parameters will accomplish this? (Choose two.)___

A. isolation.device.edit.disable = “FALSE”

B. isolation.device.edit.disable = “TRUE”

C. isolation.device.connectable.disable = “FALSE”

D. isolation.device.connectable.disable = “TRUE”

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【多选题】

Which three statements are correct regarding booting an ESXi Host from Fibre Channel SAN? (Choose three.)___

A. Direct connect topology is supported.

B. Each host must have its own boot LUN.

C. ESXi hosts do not require local storage.

D. Multipathing to a boot LUN on an active-passive array is supported.

E. Hosts can share one common boot LUN.

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【多选题】

Which two tasks should a vSphere administrator perform if the vmkernel log reports VMFS metadata errors? (Choose two.)___

A. contact VMware technical support

B. reformat the datastore

C. check the device with VOMA

D. ignore the messages

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【多选题】

Which two statements are true for a vCenterServer user account that is used for vSphere Data Protection (VDP)? (Choose two.)___

A. The user account must be assigned with Administrator role.

B. The password for the user account cannot contain spaces.

C. The user account should be created in the Single Sign-On domain

D. The user account cannot inherit required permissions from a group role.

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【多选题】

Which three storage protocols are supported by Virtual Volumes? (Choose three.)___

A. FCIP

B. FCoE

C. iSCSI

D. NFS v3

E. NFS v4

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【多选题】

A vSphere administrator observes a CPU spike on one of the web servers (view the Exhibit.) Which two statements can describe the cause of this activity? (Choose two.)___

A. The network packet size is too large.

B. VMware Tools is not installed.

C. Disk latency is present on the datastore.

D. The network packet size is too small.

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【多选题】

Which three operations can cause VMFS metadata updates? (Choose three.)___

A. Restarting a VM using the guest OS.

B. Launching a VM console.

C. Migrating a VM with vMotion.

D. Powering a VM on or off.

E. Expanding a VMFS datastore.

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【多选题】

*What two services run on all nodes in a vCenter Server HA cluster? (Choose two.)___

A. vmware-vmon

B. vmware-vpostgres

C. vmare-rbd-watchdog

D. vmware-vcha

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Which two statements are true regarding Auto Deploy in version 6.5? (Choose two.)___

A. Auto Deploy can be configured and managed via PowerCLI.

B. Auto Deploy can be configured and managed via the vSphere Client.

C. Auto

D. eploy can be configured and managed via the vSphere Web Client.

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What three options can improve network performance for a virtual machine? (Choose three.)___

A. MLD

B. TSO

C. NetFlow

D. LRO

E. SR-IOV

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【多选题】

Which two storage technologies are supported for MSCS? (Choose two.)___

A. NFS

B. VAAI

C. iSCSI

D. FC

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When upgrading a VMware vSAN cluster to version 6.5, which two tasks must be completed to comply with upgrade requirements and VMware-recommended best practices? (Choose two.)___

A. Use RVC to upgrade the hosts.

B. Use the latest available ESXi version.

C. Back up all VMs.

D. Use only the “Full data migration” maintenance mode option.

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【多选题】

What two enhancements are in VMFS6 but not in VMFS5? (Choose two.)___

A. Support for 4k native disks

B. Support for 512e disks

C. GPT storage device partitioning

D. Automatic space reclamation

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【多选题】

Which two statements describe why a vSphere DRS cluster would report load imbalance? (Choose two.)___

A. The configured migration threshold is too high.

B. The configured migration threshold is too low.

C. DRS is configured for Partially Automated.

D. Enhanced vMotion Compatibility (EVC) is enabled.

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A vSphere Administrator must ensure that vCenter Server service is running in a domain user account rather than Local System Account. To accomplish this, the user account should have which two permissions? (Choose two.)___

A. Log on as a service.

B. Act as part of the operating system.

C. Log on as a batch job.

D. Log on locally.

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A virtual machine fails to power on after being deployed from a template. What two remediation steps could correct this issue? (Choose two.)___

A. Increase CPU reservation

B. Decrease memory reservation

C. Increase memory reservation

D. Increase datastore capacity

E. Decrease CPU reservation

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Which three directories are available under the vcsa-cli-installer folder of the vCenter Server Appliance installation media? (Choose three.)___

A. \mac

B. \ovftool

C. \migration-assistant

D. \win32

E. \lin64

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What are three considerations when booting ESXihost from SAN software FCoE? (Choose three.)___

A. The VMware_FCoE_vSwitch that the installer automatically created cannot be changed.

B. Boot LUN cannot be shared with other hosts even on shared storage.

C. Multipathing is not supported at pre-boot.

D. Software FCoE boot configuration cannot be changed from within

E. SXi.

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Which two choices are applicable to vSphere Availability? (Choose two.)___

A. Heartbeat Datastores

B. VM Startup/Shutdoown

C. Power Management

D. Admission Control

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A user is a member of groups A and B. -VM10 and VM20 are in VM Folder. -Group A is assigned permission “Read-only” on VM Folder. What two configurations will allow the user to edit the settings for only VM10? (Choose two.)___

A. Assign group B permission “virtual machine power user” to VM10.

B. Assign group B permission “virtual machine console user” to VM10.

C. Assign group A permission “virtual machine console user” to VM10.

D. Assign group A permission “virtual machine power user” to VM10.

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Which two new vSphere 6.5 features enable an Administrator to locate configuration options when creating or editing host profiles more easily than in previous versions? (Choose two.)___

A. Add the configuration option to favorites.

B. Navigate the option tree.

C. Search for the configuration option.

D. Copy the configuration option from a different profile.

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What are the two valid storage controller types for VMs on ESXi 6.5? (Choose two.)___

A. FCoE

B. SATA

C. NVMe

D. iSCSI

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Which two options can optimize conversion with VMware Converter? (Choose two.)___

A. Disable real-time antivirus scanners.

B. Remove the source from Active Directory.

C. Remove third-party device drivers.

D. Exclude diagnostic partitions from conversion.

E. Disable Volume Shadow Copy (VSS).

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vSphere Availability considers which two factors for virtual machine restarts? (Choose two.)___

A. Host Isolation Response

B. file accessibility

C. NUMA node size

D. resource reservations

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Which two virtual NICs support Wake-on-Lan to resume a virtual machine that is in standby mode? (Choose two)___

A. Flexible

B. E1000E

C. E1000

D. vmxnet 3

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Which two logs should be examined to troubleshoot a Windows vCenter Server upgrade failure? (Choose two.)___

A. vminst.log

B. vim-um-msi.log

C. firstboot.log

D. pkgmgr.log

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Which are two supported storage primitives for VAAI NAS? (Choose two.)___

A. Full File Clone

B. Reserve Space

C. hardware assisted locking

D. block zeroing

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Which two parameters must be configured for Windows in-guest disk mirroring? (Choose two.)___

A. scsi#.returnNoConnectDuringAPD = “FALSE”

B. scsi#.terminateVMOnPDL = “TRUE”

C. scsi#.returnBusyOnNoConnectStatus = “FALSE”

D. scsi#.returnNoConnectDuringAPD = “TRUE”

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Which two items are required to enable NPIV in a virtual machine? (Choose two.)___

A. use of physical RDMs

B. physical HBA support

C. use of virtual disks

D. hardware version 11 or higher

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A vSphere Administrator has VM Component Protection (VMCP) enabled, but the VM was not restarted when one of the VMFS datastores experienced an All Paths Down (APD) failure. What two scenarios would explain why the virtual machine was not restarted? (Choose two.)___

A. VM Monitoring is required in order for VMCP to failover during an APD event.

B. VMware Tools is not installed on the guest operating system for the VM.

C. Insufficient Capacity is available on the failover ESXi hosts.

D. The APD failure was corrected before the VM could be restarted.

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【多选题】

What are two requirements in order to restore a Resource Pool Tree from a snapshot? (Choose two.)___

A. vSphere DRS must be turned on.

B. A restore can only be performed on a vSphere DRS cluster within the original vCenter Server.

C. vSphere

D. RS must be turned off.

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[103]下列选项中属于阻聚剂泵不上量的原因的是___。

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[105]下列不属于离心泵汽蚀现象的是___。

A. 泵体发出噪声

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C. 泵出口流量低

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[106]下列选项中，离心泵发生机械故障时最明显的现象是___。

A. 出口压力偏高

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C. 泵出口压力低

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[107]关于离心泵发生机械故障的现象，下列说法不正确的是___。

A. 泵体发出异常声响

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[108]离心泵机械密封泄漏较大时，处理方法正确的是___。

A. 停泵等待检修

B. 通知设备人员处理并检修

C. 切换泵，对该泵倒空置换并报检修

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[109]低温泵在切换过程中，最先完成的动作是___。

A. 开备用泵出口阀

B. 启动备用泵电机

C. 关运行泵出口阀

D. 停运行泵电机

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[110]关于冷泵操作的注意事项,下列说法正确的是___。

A. 冷泵预冷前机械密封外腔有氮气保护的应事先通入氮气

B. 冷泵密封腔有密封油系统的低温泵在预冷后注入密封液

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[111]膨胀机开车时，应___。

A. 开膨胀机再开压缩机

B. 先开压缩机，再开膨胀机

C. 返回线必须全开

D. 按需要调整返回线

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[112]C-601汽轮机入口蒸汽温度正常值___。

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B. 380℃

C. 420℃

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[113]C-201开机时要注意的事项，以下哪个是错误的___

A. 缸体排凝

B. 返回线全开

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[114]压缩机透平开车时密封蒸汽在___时投用。

A. 500rpm

B. 即将开车前投用

C. 最小可调转速

D. 正常运行转数

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[115]裂解气压缩机开车前，确保油箱油温不低于___。

A. 21℃

B. 25℃

C. 30℃

D. 48℃

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[116]填充润滑脂时，一般来说填充空间只占除去轴与轴承以外空间的___。

A. 0～1/3

B. 1/3～1/2

C. 1/2～2/3

D. 2/3～1

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[117]关于系统开车前的准备工作，下列说法错误的是___。

A. 各调节阀保持全开

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C. 机械密封防潮氮气投用

D. PS/SS用户预热好

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[118]膨胀机利用___在膨胀机中进行等熵膨胀，以获得比节流膨胀更多的冷量。

A. 乙烯

B. 丙烯

C. 甲烷

D. 氢气

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[119]在引气相乙烯时系统必须___。

A. 气密合格

B. N2置换合格

C. N2置换干燥合格

D. 实气置换合格

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[120]开车时引液相乙烯之前，系统应___。

A. 气相充压合格

B. 实气置换合格

C. N2置换合格

D. N2干燥合格

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[121]脱甲烷塔准备开车（有乙烯开车）时，还未进行的工作是___。

A. 乙烯精馏塔全回流运转

B. 甲烷制冷压缩机开车

C. 裂解气碱洗合格

D. 丙烯制冷压缩机运转正常

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[122]脱甲烷塔开车时，下列说法不正确的是___。

A. 裂解气压缩机运转正常

B. 丙烯制冷压缩机运转正常

C. 乙烯制冷压缩机运转正常

D. 甲烷制冷压缩机运转正常

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[123]关于乙烯精馏塔发生冻塔后的现象，下列描述正确的是___。

A. 塔压差高

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D. 塔釜液位稳定

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[124]有关乙烯精馏塔出现淹塔时的现象，下列说法正确的是___。

A. 塔釜液面低

B. 塔釜温度高

C. 塔压差高

D. 塔压差低

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[125]精馏塔塔釜分析不合格，轻组分浓度高的原因是___。

A. 灵敏板温度高

B. 灵敏板温度低

C. 塔釜加热量大

D. 塔顶采出量大

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[126]静电放电在工业生产中的危害，不仅会影响产品质量，更严重的是导敦___

A. 人员伤亡

B. 机械设备损坏

C. 燃烧或爆炸

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[127]危险化学品生产企业销售其生产的危险化学品时，应当提供与危险化学品___完全一致的化学品。

A. 安全技术说明书

B. 安全使用说明书

C. 安全技术合格证

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[128]使用危险化学品从事生产的单位必须建立、健全危险化学品使用的___。

A. 安全操作规章制度

B. 防火防爆管理制度

C. 安全管理规章制度

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[129]危险化学品的生产、储存、使用单位，应当在生产、储存和使用场所设置___装置。

A. 防爆、报警

B. 通讯、报警

C. 通风、报警

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【单选题】

[130]地面上的绝缘油着火，应用____进行灭火。___

A. 水

B. 二氧化碳灭火器

C. 干砂

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[131]关键装置和要害部位班组监控的要求是：严格执行___制度：严格遵守工艺、操作、劳动纪律和操作规程：及时处理存在问题并报告险情。

A. 交接班

B. 巡回检查

C. 一日三检

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【单选题】

[132]从事一般性高处作业脚上应穿___

A. 硬底鞋

B. 软底防滑鞋

C. 普通胶鞋

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【单选题】

[133]室温高于摄氏___度，相对湿度超过( )的作业场所，称为高温作业场所。

A. 30℃，80％

B. 35℃，80％

C. 30℃，85％

D. 35℃，85％

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【单选题】

[134]离心式压缩机的平衡鼓设在___

A. 压缩机入口端

B. 压缩机排出端

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[135]裂解气压缩机透平一、二级喷射泵投用顺序是___

A. 先投二级再投一级

B. 先投一级再投二级

C. 一起投用

D. 只投一级

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【单选题】

[136]三机的润滑油压力联锁值是___

A. 200KPa

B. 60KPa

C. 120KPa

D. 80KPa

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【单选题】

[137]三机系统联锁试验有哪些项目___

A. LO、GO低值自启动

B. LO超低值联锁停车

C. GO超低值联锁停车

D. A、B

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[138]对于乙烯三大机组，为了防止___起动油路系统时，机体内必须充压。

A. 机油串入机壳

B. 系统抽真空

C. 压缩机喘振

D. 防止油路压力低

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【单选题】

[139]乙烯机开车时，怎样保持致冷系统所需负荷___。

A. 投用冷户

B. 不投用冷户

C. 投用一半冷户

D. 投用三分之二

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【单选题】

[140]下列设备中，输送气体设备为___。

A. 离心泵

B. 隔膜泵

C. 螺杆泵

D. 真空泵

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【单选题】

[141]离心式压缩机若入口压力相同,则___。

A. 密度大的气体可产生较高的最终压力

B. 密度大的气体可产生较低的最终压力

C. 密度与最终压力无关

D. 最终压力只与温度有关

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【单选题】

[142]冻塔与液泛的主要区别___。

A. 冻塔时塔压差增大，液泛时压差不变。

B. 冻塔与液泛时塔压差都增大，但冻塔时塔内温度不变。

C. 冻塔与液泛时塔压差都增大，但冻塔时加大塔顶采出减少回流量和降低釜温等.

D. 措施后，压差仍不降低。

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